Device Tree Clock bindings for ZTE zx296718

This binding uses the common clock binding[1].

[1] Documentation/devicetree/bindings/clock/clock-bindings.txt

Required properties:
- compatible : shall be one of the following:
	"zte,zx296718-topcrm":
		zx296718 top clock selection, divider and gating

	"zte,zx296718-lsp0crm" and
	"zte,zx296718-lsp1crm":
		zx296718 device level clock selection and gating

- reg: Address and length of the register set

The clock consumer should specify the desired clock by having the clock
ID in its "clocks" phandle cell. See include/dt-bindings/clock/zx296718-clock.h
for the full list of zx296718 clock IDs.


topclk: topcrm@1461000 {
        compatible = "zte,zx296718-topcrm-clk";
        reg = <0x01461000 0x1000>;
        #clock-cells = <1>;
};

usbphy0:usb-phy0 {
	compatible = "zte,zx296718-usb-phy";
	#phy-cells = <0>;
	clocks = <&topclk USB20_PHY_CLK>;
	clock-names = "phyclk";
	status = "okay";
};